JP3259741B2 - Cushion material for press - Google Patents
Cushion material for pressInfo
- Publication number
- JP3259741B2 JP3259741B2 JP12332093A JP12332093A JP3259741B2 JP 3259741 B2 JP3259741 B2 JP 3259741B2 JP 12332093 A JP12332093 A JP 12332093A JP 12332093 A JP12332093 A JP 12332093A JP 3259741 B2 JP3259741 B2 JP 3259741B2
- Authority
- JP
- Japan
- Prior art keywords
- press
- thickness
- cushion material
- cushioning material
- cushioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/06—Platens or press rams
- B30B15/061—Cushion plates
Description
【０００１】[0001]
【発明の技術分野】本発明はプレス用クッション材、さ
らに詳細には、耐熱性に優れ、高温架橋に最適なプレス
用クッション材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cushioning material for a press, and more particularly, to a cushioning material for a press having excellent heat resistance and being suitable for high-temperature crosslinking.
【０００２】[0002]
【従来技術および問題点】たとえば、ガラス＋エポキシ
樹脂＋銅板、ガラス＋ポリイミド樹脂＋銅板などの構成
からなるプリント基板を製造する場合、図３に示すよう
に数十枚積層されたプリント基板１などの一部を架橋す
るために多段プレスを使用している。すなわち、複数積
層されたプリント基板１を、例えばステンレス製のプレ
ス板２に挾着し、圧力と温度を負荷して樹脂を架橋せし
めるのであるが、このとき架橋時における厚さを一定と
するためにプレス板２の裏面にプレス用クッション材３
を使用し、クッション性を確保している。なお、４は熱
盤である。2. Description of the Related Art For example, when manufacturing a printed circuit board having a configuration of glass + epoxy resin + copper plate, glass + polyimide resin + copper plate, etc., as shown in FIG. A multi-stage press is used to cross-link a part of the. That is, a plurality of printed circuit boards 1 are sandwiched between, for example, stainless steel press plates 2, and pressure and temperature are applied to crosslink the resin. In this case, the thickness at the time of the crosslinking is made constant. Cushioning material 3 on the back of the press plate 2
To ensure cushioning. 4 is a hot plate.
【０００３】このようなクッション材としては、従来一
般に不織布、ゴム、ガラスクロスなどの単一材料よりな
るもの、あるいはこれらを複合したものが使用されてい
る。Conventionally, as such a cushioning material, a material made of a single material such as nonwoven fabric, rubber, glass cloth, or a combination thereof has been used.
【０００４】しかしながら、このような従来のクッショ
ン材においては、一般に圧力２０ｋｇ／ｃｍ2、１７０
℃程度の温度で使用されるが、耐熱性が小さいため２０
０回程度の繰り返しの使用により、クッション材が剥離
して破壊されたり、また、高温架橋を要求されるポリイ
ミド樹脂などの架橋に使用できないという欠点があっ
た。However, such a conventional cushion material generally has a pressure of 20 kg / cm 2 and a pressure of 170 kg / cm 2 .
Although it is used at a temperature of about ° C, it has a low heat resistance.
There is a drawback that the cushioning material is peeled and broken by about 0 times of repeated use, and cannot be used for crosslinking of polyimide resin or the like which requires high temperature crosslinking.
【０００５】本発明は上述の問題点に鑑みなされたもの
であり、耐熱性を向上せしめることにより、繰り返しの
使用に対し耐久性があり、さらに高温における架橋にも
使用できるプレス用クッション材を提供することを目的
とする。The present invention has been made in view of the above problems, and provides a cushioning material for presses which has improved heat resistance, has durability against repeated use, and can be used for crosslinking at high temperatures. The purpose is to do.
【０００６】[0006]
【問題点を解決するための手段】上記目的を達成するた
め、本発明によるプレス用クッション材は、０．４〜
０．６ｍｍの厚さのガラス繊維クロスの両面に０．４〜
０．７ｍｍの厚さのフッ素ゴム層を設けるとともに、前
記フッ素ゴム層に４〜８ｍｍ厚のポリアミド繊維を設
け、全体の厚さを８．０〜１２．０ｍｍにしたことを特
徴とするものである。Means for Solving the Problems In order to achieve the above-mentioned object, the cushioning material for presses according to the present invention has a thickness of 0.4 to
0.4mm on both sides of 0.6mm thick glass fiber cloth
With a 0.7mm thick fluoro rubber layer,
A polyamide fiber of 4 to 8 mm thickness is provided on the fluoro rubber layer.
In addition, the total thickness is set to 8.0 to 12.0 mm .
【０００７】本発明によれば、耐熱性繊維クロスの両面
に、耐熱性の良好なフッ素ゴム層を設けているため、ク
ッション材の耐熱性が向上し、この結果、繰り返し使用
性が著しく改良できると共に、高温におけるプレス成型
にも使用可能になるという利点を生じる。According to the present invention, the heat-resistant fiber cloth is provided on both sides with a fluorine rubber layer having good heat resistance, so that the heat resistance of the cushioning material is improved, and as a result, the reusability can be significantly improved. In addition, there is an advantage that it can be used for press molding at high temperatures.
【０００８】[0008]
【発明の具体的説明】図１は本発明によるプレス用クッ
ション材の断面図であるが、この図より明らかなよう
に、本発明によるクッション材は、耐熱性繊維クロス３
１の両面にフッ素ゴム層３２が設けられている。DETAILED DESCRIPTION OF THE INVENTION FIG. 1 is a cross-sectional view of a cushioning material for a press according to the present invention. As is apparent from FIG.
The fluororubber layers 32 are provided on both surfaces of the substrate 1.
【０００９】このような耐熱性繊維クロス３１として
は、例えばガラス繊維クロスを使用することができる。
この耐熱性繊維クロス３１の厚さは、好ましくは０．４
〜０．６ｍｍであるのが好ましい。０．３ｍｍ未満であ
ると支持体としての強度が不足する恐れがあり、一方
０．７ｍｍを越えると加工性が難しい。As such a heat-resistant fiber cloth 31, for example, a glass fiber cloth can be used.
The thickness of the heat resistant fiber cloth 31 is preferably 0.4
It is preferably about 0.6 mm. If it is less than 0.3 mm, the strength as a support may be insufficient, while if it exceeds 0.7 mm, workability is difficult.
【００１０】さらに、この耐熱性繊維クロス３１の両面
にフッ素ゴム層３２を形成するものであるが、このフッ
素ゴム層３２は耐熱性を向上させるために設けられる。Further, a fluoro rubber layer 32 is formed on both sides of the heat resistant fiber cloth 31. The fluoro rubber layer 32 is provided to improve heat resistance.
【００１１】このフッ素ゴム層３２の厚さは、好ましく
は０．４〜０．７ｍｍであるのがよい。０．３ｍｍ未満
であると、耐熱性を向上せしめる効果が小さく、一方
０．８ｍｍを越えるとコスト高になる。The thickness of the fluoro rubber layer 32 is preferably 0.4 to 0.7 mm. If it is less than 0.3 mm, the effect of improving heat resistance is small, while if it exceeds 0.8 mm, the cost increases.
【００１２】上述のようなフッ素ゴム層３２の上部に全
芳香族繊維層３３が設けられる。この全芳香族繊維層３
３はクッション性を確保するために設けられるものであ
り、耐熱性の良好な全芳香族繊維を使用している。全芳
香族繊維の例としては、たとえばコーネックス（商品
名：帝人株式会社製）、ノーメックス（商品名：デュポ
ン社製）のポリアミド繊維を挙げることができる。A wholly aromatic fiber layer 33 is provided on the fluoro rubber layer 32 as described above. This wholly aromatic fiber layer 3
Numeral 3 is provided to ensure cushioning properties, and uses wholly aromatic fibers having good heat resistance. Examples of the wholly aromatic fibers include, for example , polyamide fibers of Cornex (trade name: manufactured by Teijin Limited) and Nomex (trade name: manufactured by DuPont).
【００１３】さらにこの全芳香族繊維層３３の厚さは、
好ましくは４〜８ｍｍであるのがよい。３ｍｍ未満であ
ると、クッション性が劣る恐れがあり、一方１０ｍｍを
越えるとクッション材の厚さ変化が大きくなる。Further, the thickness of the wholly aromatic fiber layer 33 is as follows:
Preferably, it is 4 to 8 mm. If it is less than 3 mm, the cushioning properties may be inferior, while if it exceeds 10 mm, the change in the thickness of the cushion material becomes large.
【００１４】このようなプレス用クッション材の全体の
厚さは、好ましくは８．０〜１２．０ｍｍであるのがよ
い。７．０ｍｍ未満であると、耐久性、クッション性に
かける恐れがあり、一方１５．０ｍｍを越えると作業性
が悪い。The overall thickness of such a cushioning material for a press is preferably 8.0 to 12.0 mm. If it is less than 7.0 mm, durability and cushioning may be exerted, while if it exceeds 15.0 mm, workability is poor.
【００１５】上述のようなプレス用クッション材を製造
するに当たっては、耐熱性繊維クロス３１の両面に所定
量の未加硫フッ素ゴムを塗布などの手段によって設け、
さらに全芳香族繊維層３３を積層した後、前記未加硫フ
ッ素ゴムを加硫して硬化せしめて製造する。In manufacturing the above-mentioned cushion material for press, a predetermined amount of unvulcanized fluoro rubber is provided on both surfaces of the heat-resistant fiber cloth 31 by means such as coating.
Further, after laminating the wholly aromatic fiber layer 33, the unvulcanized fluoro rubber is vulcanized and cured to produce the unvulcanized fluoro rubber.
【００１６】[0016]
【実施例】厚さ０．５ｍｍのガラス繊維クロスの両面に
０．５ｍｍの厚さでフッ素ゴムを設け、さらに５ｍｍ厚
のコーネックス繊維層（全芳香族繊維層）を設けて、加
硫してクッション材とした。EXAMPLES A 0.5 mm thick glass fiber cloth was provided with fluororubber on both sides at a thickness of 0.5 mm, and a 5 mm thick Conex fiber layer (wholly aromatic fiber layer) was further provided and vulcanized. To make cushion material.
【００１７】一方、従来のコーネックス繊維＋ブチルゴ
ムタイプと今回のコーネックス＋フッ素ゴムタイプを用
意し、両者の耐久性を測定した。On the other hand, a conventional Conex fiber + butyl rubber type and a current Conex + fluorine rubber type were prepared, and the durability of both was measured.
【００１８】測定は、温度２１０℃、圧力２０ｋｇ／ｃ
ｍ2のプレスを７５分（加熱−常温）行なうことを１サ
イクルとして、その変化率を測定することにより行なっ
た。The measurement was performed at a temperature of 210 ° C. and a pressure of 20 kg / c.
m 2 of the press 75 minutes (heat - cold) as one cycle to be performed, it was performed by measuring the rate of change.
【００１９】結果を図２に示す。図中、○は本発明によ
るクッション材、●はガラスクロス＋フッ素ゴムのクッ
ション材、△は従来のクッション材の変化率を示す。こ
の図より明らかなように本発明によるクッション材は繰
り返し使用による変化率が小さく、従来のものに比較し
て著しく良好な結果を生じていることがわかる。また、
本発明によるクッション材は、３００回使用しても良好
に使用可能であったが、従来のクッション材（△印）に
おいては４０回程度で使用ができなくなった。FIG. 2 shows the results. In the figure, ○ indicates a cushion material according to the present invention, ● indicates a cushion material of glass cloth + fluororubber, and Δ indicates a rate of change of a conventional cushion material. As is clear from this figure, the rate of change of the cushioning material according to the present invention due to repeated use is small, and significantly better results are obtained as compared with the conventional cushioning material. Also,
The cushioning material according to the present invention could be used satisfactorily even after using 300 times, but the conventional cushioning material (marked with △) could not be used after about 40 times.
【００２０】[0020]
【発明の効果】以上説明したように、本発明によるプレ
ス用クッション材は、耐熱性繊維クロスの両面にフッ素
ゴム層を設けたため、耐熱性が向上し、このため繰り返
し使用性が改良されるという大きな効果がある。As described above, the cushioning material for presses according to the present invention has improved heat resistance due to the provision of the fluororubber layers on both sides of the heat-resistant fiber cloth, thereby improving the repetitive usability. It has a great effect.
【図１】本発明によるプレス用クッション材の構成を示
す断面図。FIG. 1 is a cross-sectional view showing a configuration of a cushion material for press according to the present invention.
【図２】本発明によるプレス用クッション材の耐久性試
験の結果を示す図。FIG. 2 is a diagram showing the results of a durability test of a cushioning material for presses according to the present invention.
【図３】プレス用クッション材の使用状態を示す説明
図。FIG. 3 is an explanatory view showing a use state of a cushion material for press.
１ プリント基板 ２ プレス板 ３ プレス用クッション材 ３１ 耐熱性繊維クロス ３２ フッ素ゴム層 ３３ 全芳香族繊維層 ４ 熱盤 DESCRIPTION OF SYMBOLS 1 Printed circuit board 2 Press plate 3 Cushion material for press 31 Heat resistant fiber cloth 32 Fluororubber layer 33 Whole aromatic fiber layer 4 Hot plate
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B32B 1/00 - 35/00 B29C 43/00 - 43/58 ──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. 7 , DB name) B32B 1/00-35/00 B29C 43/00-43/58
Claims (1)
クロスの両面に０．４〜０．７ｍｍの厚さのフッ素ゴム
層を設けるとともに、前記フッ素ゴム層に４〜８ｍｍ厚
のポリアミド繊維を設け、全体の厚さを８．０〜１２．
０ｍｍにしたことを特徴とするプレス用クッション材。1. A glass fiber having a thickness of 0.4 to 0.6 mm.
Fluororubber of 0.4-0.7mm thickness on both sides of cloth
A layer having a thickness of 4 to 8 mm
Is provided, and the total thickness is set to 8.0 to 12.
Cushion material for presses characterized by having a thickness of 0 mm .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12332093A JP3259741B2 (en) | 1993-04-27 | 1993-04-27 | Cushion material for press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12332093A JP3259741B2 (en) | 1993-04-27 | 1993-04-27 | Cushion material for press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06305091A JPH06305091A (en) | 1994-11-01 |
| JP3259741B2 true JP3259741B2 (en) | 2002-02-25 |
Family
ID=14857642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12332093A Expired - Lifetime JP3259741B2 (en) | 1993-04-27 | 1993-04-27 | Cushion material for press |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3259741B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006006586A1 (en) * | 2004-07-14 | 2006-01-19 | Yamauchi Corporation | Cushioning material for hot-press |
| JP2007090796A (en) * | 2005-09-30 | 2007-04-12 | Mitsuboshi Belting Ltd | Manufacturing process of cushion material for heat-resistant press |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009065367A1 (en) * | 2007-11-21 | 2009-05-28 | Forbo Siegling Gmbh | Method for producing a transport/drive belt |
| TWI477386B (en) * | 2011-09-22 | 2015-03-21 | Tech Advance Ind Co Ltd | Cushion material for hot-press and use of the same |
| JP6894344B2 (en) * | 2016-10-28 | 2021-06-30 | 三ツ星ベルト株式会社 | Cushion material for heat press |
| CN114571744B (en) * | 2022-04-21 | 2024-04-26 | 内蒙古工业大学 | Fiber preform reinforced resin rubber ternary composite material and preparation method and application thereof |
-
1993
- 1993-04-27 JP JP12332093A patent/JP3259741B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006006586A1 (en) * | 2004-07-14 | 2006-01-19 | Yamauchi Corporation | Cushioning material for hot-press |
| JP2007090796A (en) * | 2005-09-30 | 2007-04-12 | Mitsuboshi Belting Ltd | Manufacturing process of cushion material for heat-resistant press |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06305091A (en) | 1994-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20011127 |